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The pulley of an Atwood Machine has a radius of 0.150 m and a moment of inertia of 0.687 kg m^2. Mass 1 is equal to 19.9 kg and Mass 2 is equal to 15.0 kg. What is the acceleration of Mass 2 and what is the angular acceleration of the pully?
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, plates are disconnected from the battery. define the behavior of the ball.
The potential difference between a storm cloudand the ground is 100 million volts. what is the change of potential energy of the charge
An oil droplet(missing 3 electrons) is hovering inside some parallel plates that are separated by 3.0mm. what is the mass of the oil droplet
Consider an object that is in an elliptical orbit with semimajor axis a = 3.1×106 m about a planet of mass M = 2.2×1023 kg. What is the speed of the object When it is closest to the planet at r = a/4
How large an inductance, in henrys (H), should be connected in series with a 120 V, 60 W lightbulb if it is to operate normally when the combination is connected across a 240 V, 60 Hz line? (First determine the inductive reactance required. You may n..
Which of the following statements is true for an elastic collision?
Figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. She then draws her arms in to her chest,reducing her rotational inertia to 67% of its original value. What is her new rate of rotation?
For two concentric conducting rings the inner of the large ring in 12 cm and the outer radius of the smaller ring is 4 cm, Calculate the electric potential half way between the two rings 8 cm away from the center of the rings
A fire helicopter carries a 520-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant speed of 40.0 m/s, the cable makes an angle of 36.0° with respect to the vertical. Determine the force exerted by air resistan..
What is the mass of the CORE of the Sun?
A 30.0 kg rock slides on a rough horizontal surface at 7.50 m/s and eventually stops due to friction. What average thermal power is produced as the rock stops
A 1.0 kohm resistor is connected in series with a 10 mH inductor, a 30 V battery, and an open switch. at time t=0, the switch is suddenly closed. What are the voltage drops Vr and Vl 20.00 us after the switch is closed.
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